<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>综合案例-五彩导航</title>
  <style>
    .nav a {
      width: 120px;
      height: 58px;
      display: inline-block;
      text-decoration: none;
      line-height: 58px;
      background-color: pink;
      text-align: center;
      color: #fff;
    }

    .nav .bg1 {
      background: url(images/bg1.png) no-repeat;

    }

    .nav .bg1:hover {
      background: url(images/bg11.png);

    }

    .nav .bg2 {
      background: url(images/bg2.png) no-repeat;

    }

    .nav .bg2:hover {
      background: url(images/bg22.png);

    }

    .nav .bg3 {
      background: url(images/bg3.png) no-repeat;

    }

    .nav .bg3:hover {
      background: url(images/bg1.png);

    }

    .nav .bg4 {
      background: url(images/bg4.png) no-repeat;

    }

    .nav .bg4:hover {
      background: url(images/bg3.png);

    }

    .nav .bg5 {
      background: url(images/bg5.png) no-repeat;

    }

    .nav .bg5:hover {
      background: url(images/bg4.png);

    }
  </style>
</head>

<body>
  <div class="nav">
    <a href="#" class="bg1">五彩导航</a>
    <a href="#" class="bg2">五彩导航</a>
    <a href="#" class="bg3">五彩导航</a>
    <a href="#" class="bg4">五彩导航</a>
    <a href="#" class="bg5">五彩导航</a>

  </div>
</body>

</html>